The bug has been logged, and there’s a published workaround, but I wanted something a bit easier to use.

Try this instead. Close RubyMine, open a terminal, and run this command:

curl http://gist.github.com/raw/550046/240dd98b8b0ed1efa817f26ff2697940ddd0f53d/rubymine-2.02-cucumber.patch | patch -p0

or even

curl -L http://bit.ly/bPNmYV | patch -p0

It won’t work with Cucumbers older than 0.7, but why would you want to use them?

Update: If you like life on the bleeding edge, you can also try the EAP release (latest development build) of the forthcoming RubyMine 2.5, which contains this fix.